import requests

url = "http://httpbin.org/post"

h = {"token":"xxxt"}
json= {
   "sites":[
    {"name": "xx", "url": "www.test.com"},
    {"name": "tt", "url": "www.google.com"},
    {"name": "xo", "url": "www.weibo.com"}

]}
r = requests.post(url,headers=h,json=json)
print(r.text)